<template>
  <div id="app">
    <div id="nav">
      <router-link to="/" tag="button" replace>Home</router-link> |
      <router-link to="/about" replace>About</router-link> |
      <router-link :to="'/user/'+userid" replace>User</router-link> |
      <router-link :to="{path:'/profile',query:{name:'yang',age:18,height:1.88}}">Profile</router-link>
    </div>
    <keep-alive exclude="user">
      <router-view></router-view>
    </keep-alive>
  </div>
</template>
<script>
  export default {
    data(){
      return{
        userid:'lisi',
        counter:10
      }
    },
    methods:{

    },
    components:{

    }
  }
</script>
<style>
#app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}

#nav {
  padding: 30px;
}

#nav a {
  font-weight: bold;
  color: #2c3e50;
}

#nav a.router-link-exact-active {
  color: #42b983;
}
</style>
